WMSIC Electronic Components

MICRONE ME4059ASPG-N ME4059ASPG

ModelME4059ASPG-N
PackageESOP-8
BrandMICRONE
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
MICRONE ME4059ASPG-N
Type
MICRONE
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MICRONE
Electronic Component
ME4059ASPG-N
Electronic Component
1
Package
ESOP-8
Electronic Component
Battery Management
Electronic Component
0.177g
Electronic Component
1
Features
Programmable Current; Current; Battery
Electronic Component
BM0225828402
Operating Temperature
40℃~+85℃
Operating Voltage
4.7V~5.5V
Battery Type
Battery
Battery
1
ICType
IC
Static Current(Iq)
300nA

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

ME4059ASPG-N 产品概述

一、概述

ME4059ASPG-N 是南京微盟(MICRONE)推出的一款单节锂电池充电管理芯片,封装为 ESOP-8。该芯片针对对功耗和可靠性有较高要求的便携式设备与物联网终端设计,具备超低静态电流特性并支持电池温度检测,能够在有限能量预算下延长系统待机寿命,同时提供稳定的充电终止电压与必要的安全保护功能。

二、主要规格与参数

  • 工作温度:-40℃ 至 +85℃
  • 静态电流 (Iq):300 nA(大幅降低待机功耗)
  • 支持电池类型:单节锂离子/锂聚合物电池
  • 电池节数:1 节
  • 工作输入电压范围:4.7 V ~ 5.5 V(适配 5 V USB 类电源)
  • 充电饱和/终止电压:4.20 V(标准锂电池终止电压)
  • 电池温度检测:支持(用于充电温度限幅与安全判断)
  • 芯片类型:充电管理芯片
  • 封装形式:ESOP-8

三、功能与特性

  • 超低静态电流:300 nA 的低静态电流非常适合长待机、能量受限的电池供电设备,减少待机自耗,延长电池寿命。
  • 标准 CC/CV 充电策略:实现对单节锂电池的恒流/恒压充电,最终电压控制在 4.20 V,保证电池充电平台安全稳定。
  • 电池温度监测:支持外接温度检测元件(如 NTC),在电池温度异常时抑制或停止充电,提高充电安全性。
  • 宽输入电压支持:4.7–5.5 V 适配常见 USB 或 5 V 电源输入环境,兼容性强。
  • 小封装设计:ESOP-8 封装便于 PCB 高密度布局,适合体积受限的终端产品。

四、工作与保护机制

ME4059ASPG-N 为常见锂电池充电流程提供必要的保护与管理措施(具体保护门槛请参见详细数据手册),包括但不限于:

  • 充电过压/欠压检测与限幅;
  • 充电过流/短路保护(电流限制或热关断机制);
  • 温度相关充电限幅:通过电池温度检测接口判断是否允许充电或进入限流/停止状态;
  • 充电结束检测:基于电流衰减或电压平台判断充电完成并进入涓流或休眠状态,从而避免过充。

(注:以上保护机制为常见充电管理芯片功能描述,具体阈值与行为以芯片数据手册为准。)

五、应用场景与封装信息

  • 典型应用:便携式设备、可穿戴设备、无线传感节点、远程测量仪器、低功耗 IoT 终端、备用电源管理等需单节锂电池与长待机的场景。
  • 封装:ESOP-8,利于自动化贴装与散热管理。建议在 PCB 布局时为电池与 MOSFET 等功率器件留出足够散热面积。

六、设计注意事项与建议

  • 输入电源稳定性:确保输入电压稳定在 4.7–5.5 V 范围内,必要时在输入端加大旁路与滤波电容,减小纹波对充电精度影响。
  • 温度检测元件布置:NTC 等温度传感元件应尽量靠近电池正负极或电池热源处放置,以获得准确温度反馈。
  • 参考电路与外部元件:按芯片参考设计选择充电电流设定电阻、限流元件及 MOSFET(若外置),并遵循 PCB 布局指引以减少寄生电感与热聚积。
  • 热管理:在高充电电流工况或高温环境下,注意芯片及附近元器件的散热,必要时增加散热铜箔或热导垫。
  • 调试与验证:在量产前完成充电曲线、温度保护以及充放电循环测试,确认充电结束判定与保护逻辑满足电池厂商推荐规范。

如需更详细的电气特性、引脚功能、典型应用电路与参考布局,请参阅 ME4059ASPG-N 的完整数据手册或联系 MICRONE(南京微盟)工程支持获取原厂资料与评估板。

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